Steve Paulson loves the idea of personal library. For all the digital data out there, Paulson says there's nothing quite like a book. He tells producer Sara Nics about data, knowledge, and To the Best of Our Knowledge.

Megabyte, terabyte, gigabyte... web-watcher David Siegel says the web's just too data heavy. The answer is to stop duplicating and make all that data - particularly our personal data - more meaningful.

Aleph Molinari says approximately 70 percent of the global population does not have access to digital technology. And that digital divide means billions of people are being left out of education, employment, and global dialogues.

Any of us could land on the unplugged side of the digital divide, all it would take is a natural disaster or civil conflict. But one group is building tools that make a cell phone connection all you'd need to share information during a crisis.